Enrico Fraccaroli
88 lines
3.5 KiB
CMake
88 lines
3.5 KiB
CMake
# =============================================================================
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# Author: Enrico Fraccaroli
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# =============================================================================
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# Set the minimum required version of cmake.
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cmake_minimum_required(VERSION 3.1...3.22)
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# Initialize the project.
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project(programs C)
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# =============================================================================
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# C WARNINGs
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# =============================================================================
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# We need to specify the name of the entry function.
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -u_start")
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# Warning flags.
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wpedantic")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic-errors")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wshadow")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
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# Disable some specific warnings.
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-variable")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unknown-pragmas")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-missing-braces")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-command-line-argument")
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# Set the compiler options.
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdlib")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-builtin")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-stack-protector")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-pic")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fomit-frame-pointer")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
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if(CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcommon")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=i686")
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if(CMAKE_BUILD_TYPE STREQUAL "Debug")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ggdb")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0")
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elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
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endif(CMAKE_BUILD_TYPE STREQUAL "Debug")
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# =============================================================================
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# BUILD
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# =============================================================================
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# Set the directory where the compiled binaries will be placed.
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set(MENTOS_BIN_DIR ${CMAKE_SOURCE_DIR}/files/bin)
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foreach(PROGRAM ${PROGRAMS})
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# Prepare the program name.
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string(REPLACE ".c" "" PROGRAM_NAME ${PROGRAM})
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# Set the name of the target.
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set(TARGET_NAME prog_${PROGRAM_NAME})
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# Create the target.
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add_executable(${TARGET_NAME} ${PROGRAM})
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# Add the includes.
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target_include_directories(${TARGET_NAME} PRIVATE ${CMAKE_SOURCE_DIR}/libc/inc)
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# Link the libc library.
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target_link_libraries(${TARGET_NAME} ${CMAKE_BINARY_DIR}/libc/libc.a)
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# Add the dependency to libc.
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add_dependencies(${TARGET_NAME} libc)
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# Copy the progam to the bin folder.
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add_custom_command(
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TARGET ${TARGET_NAME}
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BYPRODUCTS ${MENTOS_BIN_DIR}/${PROGRAM_NAME}
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COMMAND mkdir -p ${MENTOS_BIN_DIR}
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COMMAND cp ${PROJECT_BINARY_DIR}/${TARGET_NAME} ${MENTOS_BIN_DIR}/${PROGRAM_NAME}
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DEPENDS ${TARGET_NAME}
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)
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# Append the program name to the list of all the executables.
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list(APPEND ALL_EXECUTABLES ${TARGET_NAME})
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endforeach()
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# Add the overall target that builds all the programs.
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add_custom_target(all_programs ALL DEPENDS ${ALL_EXECUTABLES})
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